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CDSOT23-SR208

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BOURNS ESD And Surge Protection (TVS/ESD), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CDSOT23-SR208

BOURNS · ESD And Surge Protection (TVS/ESD) · SOT-23-6

CDSOT23-SR208 from BOURNS, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 I/O 1 passive Protected I/O line 1 of the steering diode array, which provides ESD and EFT protection with per-line capacitance under 5 pF.
2 REF 1 passive REF 1 is the diode array reference pin; Note 1 specifies applying a 5 V bias between pin 2 (REF 1) and pin 5 (REF 2) when measuring Cj.
3 I/O 2 passive Protected I/O line 2 of the steering diode array, which provides ESD and EFT protection with per-line capacitance under 5 pF.
4 I/O 3 passive Protected I/O line 3 of the steering diode array, which provides ESD and EFT protection with per-line capacitance under 5 pF.
5 REF 2 passive REF 2 is the diode array reference pin; Note 1 specifies measuring Cj between any I/O pin and pin 5 (REF 2) with a 5 V bias applied and dividing the result by two.
6 I/O 4 passive Protected I/O line 4 of the steering diode array, which provides ESD and EFT protection with per-line capacitance under 5 pF.

Key specifications

Parameter Value
Manufacturer BOURNS
Package SOT-23-6
Category Circuit Protection
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Repetitive Peak Forward Current (tp = 5 μs, F = 50 KHz) IFRM 700 mA tp = 5 μs, F = 50 KHz 1
Continuous Power Dissipation PPC 500 mW 1
Repetitive Peak Reverse Voltage VRRM 20 V @ 10 μA 1
Forward Voltage VF 1.2 V @ 50 mA 1
Reverse Leakage Current IR 1 μA @ VRRM 5 V 1
Capacitance Cj(SD) 5 pF Per Note 1: 5 V bias pin 2 (REF 1) to pin 5 (REF 2); measure Cj between any I/O pin and pin 5, divide by two 1
Forward Surge Rating VF 1.5 V 1/20 s @ 25 °C, IF = 10 mA 1
Operating Temperature TJ -55 25 150 °C 1
Storage Temperature TSTG -55 25 150 °C 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin This is a molded JEDEC SOT23-6 package with lead free 100 % Tin (Sn) on the lead frame. It weighs approximately 15 mg and has a flammability rating of UL 94V-0. 2

CAD (KiCad official)

  • Symbol: CDSOT23-SR208
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: cdsot23-sr208-etched.step / cdsot23-sr208-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cdsot23-sr208.step / cdsot23-sr208.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: BOURNS datasheet (5 pp, sha256 51da1d26c9a92a1c, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF